package collection;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
//增强for
        /*
            for(元素类型 变量名 : 集合或数组){
                    循环体
                }
         */
public class NewForDemo {
    public static void main(String[] args) {
        String[]array = {"one","two","three","four","five"};
        for (int i = 0; i < array .length; i++) {
            System.out.println(array [i]);
        }

        Collection c  = new ArrayList();
        c.add("one");
        c.add("two");
        c.add("three");
        c.add("four");
        c.add("fvie");
        Iterator it = c.iterator();
        while (it.hasNext()){
            String str = (String)it.next();
            System.out.println(str);
        }
        //增强for
        /*
            for(元素类型 变量名 : 集合或数组){
                    循环体
                }
         */
        for (String str:array) {//str表示的是数组中的每个元素
            System.out.println(str);
        }
        for (Object obj: c) {   //obj表示集合每个元素
            String str = (String) obj;
            System.out.println(str);
            }
    }
}
